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MELSEC-Q
3 SPECIFICATIONS
3.4.13 Parameter saving area selection area
This area is used to save parameters in the buffer memory to a flash ROM.
For the execution timing, refer to Section 7.3 (3) and 8.2 (2).
(1) Parameter Area Select Bit (address: 0630
H
/1584)
Select an area of the parameters that are to be saved to a flash ROM.
When clearing the parameters on the flash ROM, set 8000
H
. In this case,
parameters in the buffer memory are not cleared.
Default values vary depending on the operation mode. Refer to Table 3.33.
b15
b3 b2 b1 b0
to
Flash ROM clear
1: Clear
0: Not cleared
Parameters for master function
Parameters for slave function
Auto communication start setting
Not used
1: Save
0: Not saved
Table 3.33 Default values for Parameter Area Select Bit
Mode Default
value
0 to 2 (master function only)
0005
H
3 to 5 (slave function only)
0006
H
6 to 8 (master and slave functions)
0007
H
3.4.14 Auto communication start setting area
The auto communication start setting is set in this area.
(1) Auto Communication Start Setting (address: 0631
H
/1585)
Set whether or not to automatically start I/O communication using the parameters
saved on the flash ROM when power is turned on from off or when the CPU
module is reset.
For saving parameters to flash ROM, refer to Section 7.3 (3) and 8.2 (2).
0: Not start I/O communication automatically. (default)
1: Start I/O communication automatically.
* : I/O communication does not start automatically when any value other than 0
and 1 is set.
Содержание QJ71DN91
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